Simple:

• Join or set up a group.  Much in CoCoInfo is organised around Groups.
• Create content.  Content is mostly created from within a Group; you'll see a link to create content once you've joined a group.
• Add a Gallery with Images relevant to Co-Counselling
• Ask a question. The community will respond.
• Raise an issue in the CoCoInfo Discussion Forum
• Update your profile. This is a community site, after all; so share a little about yourself.

And, play around!  You'll find more as you just click around the site.